One of a number of vertical folds, produced by an infolding of the mucous membrane and some of the muscular tissue in the upper half of the lumen of the anal canal[WP] [ Wikipedia:Anal_columns ]
术语信息
database
cross reference
- SCTID:245444007
- UMLS:C0227428 (ncithesaurus:Anal_Column)
- Wikipedia:Anal_columns
- NCIT:C32067
- FMA:15713
definition
One of a number of vertical folds, produced by an infolding of the mucous membrane and some of the muscular tissue in the upper half of the lumen of the anal canal[WP]